Switch to Python 3.6 and remove Pipfile.lock

.gitignore

@@ -71,3 +71,4 @@ data/*
 *.yml
 *.json
 
+Pipfile.lock

Pipfile

@@ -21,6 +21,6 @@ toml = "*"
 
 [requires]
 
-python_version = "3.7"
+python_version = "3.6"
 
 

Pipfile.lock

@@ -1,99 +0,0 @@
-{
-    "_meta": {
-        "hash": {
-            "sha256": "d554d2ea6c77f139d26001582b17e7ca5430ed151ab8e92f8f7354c8d59438d4"
-        },
-        "host-environment-markers": {
-            "implementation_name": "cpython",
-            "implementation_version": "3.7.3",
-            "os_name": "posix",
-            "platform_machine": "x86_64",
-            "platform_python_implementation": "CPython",
-            "platform_release": "4.19.27-gentoo-r1",
-            "platform_system": "Linux",
-            "platform_version": "#1 SMP Sat Jun 1 19:49:57 CEST 2019",
-            "python_full_version": "3.7.3",
-            "python_version": "3.7",
-            "sys_platform": "linux"
-        },
-        "pipfile-spec": 6,
-        "requires": {
-            "python_version": "3.7"
-        },
-        "sources": [
-            {
-                "name": "pypi",
-                "url": "https://pypi.org/simple",
-                "verify_ssl": true
-            }
-        ]
-    },
-    "default": {
-        "aiofiles": {
-            "hashes": [],
-            "version": "==0.4.0"
-        },
-        "aiohttp": {
-            "hashes": [],
-            "version": "==3.5.4"
-        },
-        "async-timeout": {
-            "hashes": [],
-            "version": "==3.0.1"
-        },
-        "attrs": {
-            "hashes": [],
-            "version": "==19.1.0"
-        },
-        "chardet": {
-            "hashes": [],
-            "version": "==3.0.4"
-        },
-        "discord-py": {
-            "extras": [
-                "voice"
-            ],
-            "git": "https://github.com/Rapptz/discord.py",
-            "ref": "84c1eac62a775a37b03bd0971b221b0c50724630"
-        },
-        "idna": {
-            "hashes": [],
-            "version": "==2.8"
-        },
-        "idna-ssl": {
-            "hashes": [],
-            "markers": "python_version < '3.7'",
-            "version": "==1.1.0"
-        },
-        "lupa": {
-            "hashes": [],
-            "version": "==1.8"
-        },
-        "multidict": {
-            "hashes": [],
-            "version": "==4.5.2"
-        },
-        "packaging": {
-            "hashes": [],
-            "version": "==19.0"
-        },
-        "pyparsing": {
-            "hashes": [],
-            "version": "==2.4.0"
-        },
-        "six": {
-            "hashes": [],
-            "version": "==1.12.0"
-        },
-        "typing-extensions": {
-            "hashes": [],
-            "markers": "python_version < '3.7'",
-            "version": "==3.7.2"
-        },
-        "yarl": {
-            "hashes": [],
-            "version": "==1.3.0"
-        }
-    },
-    "develop": {}
-}